Pesfehhy 330 Pcs Brass Threaded Insert Nuts M2 M3 M5 Female Thread Knurled Nut Inserts Embedment Nut for 3D Printing Part

[Size list]M2 x 4 x 3.5 x 30Pcs, M2 x 6 x 3.5 x 30Pcs, M2 x 8 x 3.5 x 30Pcs, M2 x 10 x 3.5 x 20Pcs, M3 x 4 x 5 x 30Pcs, M3 x 6 x 5 x 30Pcs, M3 x 8 x 5 x 20Pcs, M3 x 10 x 5 x 20Pcs, x 4 x 6 x 30Pcs, x 6 x 6 x 20Pcs, x 8 x 6 x 20Pcs, x 10 x 6 x 15Pcs, M5 x 6 x 7 x 15Pcs, M5 x 8 x 7 x 10Pcs, M5 x 10 x 7 x 10Pcs. [Assortment boxed]This product is and packaged in high-quality PP boxes, which is easy to store and classify. [High quality material]Our products are made of high-quality brass, which is more beautiful and than iron materials. [How to use]Can be installed by heating in tapered hole, or molded during injection. Can be widely used for plastic parts, especially 3d printed parts.